Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimKimLee_2009_AlMg__MO_058537087384_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.866634296858684e-10, 4.681194204310543e-10